diff --git a/src/Synercoding.FileFormats.Pdf/Helpers/IStreamWriteable.cs b/src/Synercoding.FileFormats.Pdf/Helpers/IStreamWriteable.cs
index 565100d..e78d0d1 100644
--- a/src/Synercoding.FileFormats.Pdf/Helpers/IStreamWriteable.cs
+++ b/src/Synercoding.FileFormats.Pdf/Helpers/IStreamWriteable.cs
@@ -2,6 +2,9 @@
 
 namespace Synercoding.FileFormats.Pdf.Helpers
 {
+    /// <summary>
+    /// Interface that enables writting implementor to a stream
+    /// </summary>
     public interface IStreamWriteable
     {
         /// <summary>